Who was the strong support of a party?

The term "strong support of a party" typically refers to influential individuals or groups within a political party that provide essential backing, resources, or advocacy. This support can come from party leaders, grassroots activists, major donors, or ideological factions that align with the party's goals. Their commitment can significantly impact the party's success in elections and policy-making. Notable historical examples include strong party figures like Franklin D. Roosevelt for the Democrats or Ronald Reagan for the Republicans.